Where is Alpha Keratin 60ku CLINICAL® derived from?

It is derived from human hair, as a byproduct of the wig industry. Virtue® uses ethically sourced, untreated hair, acquired from reputable suppliers that have been vetted by the Company. All hair used by Virtue® has been purchased at the will of the individual sellers; never donated. The hair is hand-cut, assuring the quality of the hair and care for the sellers, and the hair has never been dyed or chemically treated.